PROOF You Should be Carrying .357SIG...(9mm+P vs .40S&W vs .357SIG)

Published on February 4, 2020
Duration: 9:35

This guide details a ballistic comparison between 9mm+P, .40 S&W, and .357 SIG calibers, using empirical data from chronograph readings and muzzle energy calculations. The analysis, presented by The Yankee Marshal, highlights the significant performance advantages of .357 SIG, while also considering practical aspects like feeding reliability and availability. It provides insights for selecting an effective self-defense handgun caliber.

Quick Summary

.357 SIG demonstrates superior ballistic performance compared to 9mm+P and .40 S&W, with tested loads achieving significantly higher muzzle energy (up to 646 ft-lbs) and velocity. While 9mm+P is cost-effective and .40 S&W offers more bullet mass, .357 SIG's combination of power and reliable feeding makes it a strong contender for self-defense.

Chapters

  1. 00:00Introduction and Test Setup
  2. 01:08Shooting Demonstration
  3. 02:029mm+P Results
  4. 03:20 .40 S&W Results
  5. 04:18.357 SIG Results
  6. 05:54Final Comparison and Conclusion

Frequently Asked Questions

What are the ballistic differences between 9mm+P, .40 S&W, and .357 SIG?

.357 SIG generally offers the highest muzzle energy and velocity, with tested loads reaching up to 646 ft-lbs. 9mm+P loads averaged around 400-460 ft-lbs, while .40 S&W loads were between 400-480 ft-lbs, offering more bullet mass but less velocity than .357 SIG.

Which caliber is best for self-defense based on the ballistic comparison?

Based on raw ballistic performance (energy and velocity), .357 SIG is presented as the superior option. However, practical considerations like recoil, ammunition cost, and availability also play a role in the final decision for self-defense carry.

How does the bottleneck design of .357 SIG affect its performance?

The bottleneck case design of .357 SIG contributes to reliable feeding in semi-automatic firearms, which can be an advantage. It also allows for efficient powder burn and high velocities, contributing to its significant energy output.

What ammunition brands were compared in the .357 SIG test?

The video compared Hornady Critical Duty .357 SIG (135 gr) and Minuteman Ammo .357 SIG (125 gr). The Minuteman Ammo load achieved notably high velocities and energy levels, approaching those of .357 Magnum.

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